<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box {
            width: 222px;
            height: 220px;
            margin: 100px auto;
            position: relative;
            box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.3);
        }
        .dis {
            display: none;
            position: absolute;
            width: 222px;
            height: 220px;
            background: rgba(0, 0, 0, 0.3) url(images/arr.png) center center no-repeat;
        }
        .box a:hover .dis {
            display: block;
        }
    </style>
</head>
<body>
    <div class="box">
        <a href="#">
        <div class="dis"></div>
        <img src="images/3.jpg" alt="">
   </a> 
</div>
</body>
</html>